Fig. 1From: Incidence, cost and gender differences of oropharyngeal and noncervical anogenital cancers in South KoreaFlow chart of new patients included in the study through operational definition. Flow chart of extracting new patients from 2013 to 2016 through operational definition using HIRA claims data from patients diagnosed primary or secondary with vulvar, vaginal, penile, anal and oropharyngeal (including base of tongue, tonsil) cancer from Jan 1, 2011 to Dec 31, 2017Back to article page